Peptide Database

Peptide NameOrcokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC68H95N19O22

DescriptionStandard

        NFDEINRSAFGFN
    

Molecular Weight1530.60 Da

Isoelectric Point (pI)4.37

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0951

GRAVY Index-0.65

Hydrophobic Moment 0.56

Boman Index-0.05

Instability Index55.78

Aliphatic Index 37.69

Aromaticity 0.2308

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 698.52

LogP -8.14

H-bond Donors 23.0

H-bond Acceptors 21.0

Rotatable Bonds 49.0

Heavy Atoms 109.0

Ring Count 3.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0304687 VERIFIED: NO

Provenance & Taxonomy

OrganismEchinogammarus veneris [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide